Article Abstract

	Title:	Grid middleware in China
	Author:	Yongwei Wu, Chunming Hu, Li Zha, Song Wu
	Address:	Department of Computer Science and Technology, Tsinghua University, Beijing, 100084, China. ' School of Computer Science and Engineering, Beihang University, Beijing, 100083, China. ' Institute of Computing Technology, Chinese Academy of Sciences, Beijing, 100080, China. ' School of Computer, Huazhong University of Science and Technology, Wuhan, 430074, China
	Journal:	International Journal of Web and Grid Services 2007 - Vol. 3, No.4  pp. 371 - 402
	Abstract:	Grids aim at constructing a virtual single image of heterogeneous resources and provide uniform interface for distributed internet applications. China also devotes much passion and endeavour to the evolution of grid projects. Based on the experience in building and enhancing Chinese grids in collaboration with colleagues from around the globe, it is important to choose grid technologies that support and work on a wide variety of resources. Grid middleware research and development in China is described in this paper. First we give the overview of the three government-sponsored grid programmes, namely, China National Grid, ChinaGrid and NSFCGrid. Then three representative grid middleware, ChinaGrid Support Platform (CGSP), China National Grid Operation System (GOS), China Research and Development Environment Over Wide-area Network (CROWN) are introduced in detail from six aspects: design motivation, architecture, function modules, main features, interoperability, current status and applications. Finally, we abstract the main characteristics of these three middleware systems and put forward a comparison among them.
	Keywords:	grid computing; grid projects; grid middleware; China.
	DOI:	10.1504/IJWGS.2007.015421
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